🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.8

Radius: 10.6

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.25 AU - 1.63 AU

Year: 1116 Days

Day: 9.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,482,619 km

• M1: 131,945 km (0.1 R)
• M2: 467,643 km (0.117 R)
• M3: 845,677 km (0.068 R)
• M4: 1,188,106 km (0.099 R)
• M5: 1,519,615 km (0.026 R)
• M6: 2,125,636 km (0.064 R)
• M7: 2,661,346 km (0.112 R)
• M8: 3,010,657 km (0.072 R)
• M9: 3,360,417 km (0.095 R)
• M10: 3,721,247 km (0.082 R)
• M11: 4,090,455 km (0.106 R)
• M12: 4,465,945 km (0.045 R)
• M13: 4,962,610 km (0.056 R)
• M14: 5,348,573 km (0.078 R)
• M15: 6,273,686 km (0.115 R)
• M16: 6,897,808 km (0.05 R)
• M17: 7,883,957 km (0.117 R)
• M18: 8,354,592 km (0.057 R)
• M19: 9,170,349 km (0.12 R)
• M20: 10,758,331 km (0.106 R)
• M21: 11,653,076 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.3

Radius: 13.1

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.74 AU - 2.36 AU

Year: 1895 Days

Day: 7.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 56.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,482,619 km

• M1: 163,062 km (0.11 R)
• M2: 724,951 km (0.031 R)
• M3: 1,209,798 km (0.098 R)
• M4: 2,451,610 km (0.085 R)
• M5: 3,022,475 km (0.116 R)
• M6: 3,533,352 km (0.11 R)
• M7: 4,874,796 km (0.096 R)
• M8: 5,661,831 km (0.1 R)
• M9: 6,139,497 km (0.032 R)
• M10: 6,848,890 km (0.055 R)
• M11: 7,938,261 km (0.091 R)
• M12: 8,835,549 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.3

Radius: 8

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.51 AU - 3.27 AU

Year: 3172 Days

Day: 11.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,482,619 km

• M1: 99,632 km (0.103 R)
• M2: 371,452 km (0.059 R)
• M3: 920,924 km (0.119 R)
• M4: 1,189,303 km (0.056 R)
• M5: 1,552,078 km (0.101 R)
• M6: 1,925,923 km (0.099 R)
• M7: 2,502,473 km (0.063 R)
• M8: 3,294,295 km (0.08 R)
• M9: 3,719,452 km (0.099 R)
• M10: 4,036,300 km (0.107 R)
• M11: 4,679,272 km (0.083 R)
• M12: 5,049,227 km (0.092 R)
• M13: 5,413,648 km (0.11 R)
• M14: 5,717,780 km (0.037 R)
• M15: 6,304,952 km (0.063 R)
• M16: 7,020,329 km (0.09 R)
• M17: 7,820,528 km (0.074 R)
• M18: 8,887,011 km (0.06 R)
• M19: 10,009,893 km (0.076 R)
• M20: 10,982,129 km (0.117 R)
• M21: 13,203,807 km (0.114 R)
• M22: 15,204,380 km (0.114 R)
• M23: 16,120,667 km (0.05 R)
• M24: 16,645,306 km (0.108 R)
• M25: 17,344,377 km (0.07 R)
• M26: 18,287,891 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.5

Radius: 3.6

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.89 AU - 10.67 AU

Year: 18253 Days

Day: 24.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,482,619 km

• M1: 47,123 km (0.117 R)
• M2: 582,385 km (0.056 R)
• M3: 1,548,188 km (0.087 R)
• M4: 4,021,191 km (0.079 R)
• M5: 7,591,494 km (0.102 R)
• M6: 10,238,478 km (0.083 R)
• M7: 10,923,337 km (0.117 R)
• M8: 13,679,528 km (0.118 R)
• M9: 14,310,981 km (0.077 R)
• M10: 17,366,069 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.7

Radius: 5.9

Gravity: 19.76 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 8.16 AU - 12.16 AU

Year: 20910 Days

Day: 22.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,482,619 km

• M1: 77,043 km (0.109 R)
• M2: 371,003 km (0.064 R)
• M3: 841,787 km (0.031 R)
• M4: 1,078,002 km (0.095 R)
• M5: 3,854,988 km (0.12 R)
• M6: 4,375,887 km (0.093 R)
• M7: 7,170,824 km (0.109 R)
• M8: 7,655,821 km (0.075 R)
• M9: 8,529,771 km (0.12 R)
• M10: 9,354,804 km (0.083 R)
• M11: 15,932,622 km (0.116 R)
• M12: 17,179,670 km (0.112 R)
• M13: 18,851,127 km (0.084 R)
• M14: 22,006,445 km (0.106 R)
• M15: 23,028,049 km (0.107 R)
• M16: 27,548,149 km (0.113 R)
• M17: 28,494,206 km (0.1 R)
• M18: 29,953,383 km (0.072 R)
• M19: 31,334,172 km (0.095 R)
• M20: 33,417,621 km (0.091 R)
• M21: 34,765,648 km (0.067 R)
• M22: 39,322,399 km (0.064 R)
• M23: 39,918,546 km (0.082 R)
• M24: 46,879,634 km (0.055 R)
• M25: 53,143,596 km (0.104 R)
• M26: 54,423,107 km (0.115 R)
• M27: 57,999,244 km (0.114 R)
• M28: 58,191,627 km (0.037 R)
• M29: 75,693,680 km (0.115 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 11,609 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit